What If Humans Walked on All Fours?

  On your marks. Get set. Bear crawl. The movement of the future is here. And it looks a lot like the movement of the distant past. What benefits would you get from...

What If You Had Twice as Much Skin?

Your skin is the largest organ you’ve got. It’s the weather, germ and toxin-proof packaging for your insides. It stores water, fat and all the good metabolic...

What If Our Oceans Froze?

  I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive...